More work on ConnectionSystem

Plan/src/main/java/com/djrapitops/plan/command/commands/DevCommand.java

@@ -50,10 +50,9 @@ public class DevCommand extends SubCommand {
                 break;
             case "web":
                 ConnectionSystem connectionSystem = ConnectionSystem.getInstance();
-                Optional<String> bungeeConnectionAddress = connectionSystem.getMainAddress();
+                String accessAddress = connectionSystem.getMainAddress();
-                String accessAddress = plugin.getWebServer().getAccessAddress();
+                sender.sendMessage((connectionSystem.isServerAvailable())
-                sender.sendMessage((connectionSystem.isServerAvailable() && bungeeConnectionAddress.isPresent())
+                        ? "Bungee: " + accessAddress : "Local: " + accessAddress);
-                        ? "Bungee: " + bungeeConnectionAddress.get() : "Local: " + accessAddress);
                 break;
             default:
                 break;

Plan/src/main/java/com/djrapitops/plan/system/info/connection/BukkitConnectionSystem.java

@@ -91,12 +91,13 @@ public class BukkitConnectionSystem extends ConnectionSystem {
 
     @Override
     public boolean isServerAvailable() {
-        return false;
+        return ConnectionLog.hasConnectionSucceeded(mainServer);
     }
 
     @Override
-    public Optional<String> getMainAddress() {
+    public String getMainAddress() {
-        return Optional.empty();
+        return isServerAvailable() ? mainServer.getWebAddress() : ServerInfo.getServer().getWebAddress();
+
     }
 
     @Override

Plan/src/main/java/com/djrapitops/plan/system/info/connection/ConnectionLog.java

@@ -7,6 +7,7 @@ package com.djrapitops.plan.system.info.connection;
 import com.djrapitops.plan.system.info.request.InfoRequest;
 import com.djrapitops.plan.system.info.server.Server;
 import com.djrapitops.plan.utilities.MiscUtils;
+import com.djrapitops.plugin.utilities.Verify;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -36,6 +37,40 @@ public class ConnectionLog {
         log.put(toServer, requestMap);
     }
 
+    public static boolean isConnectionPlausible(Server server) {
+        if (server == null) {
+            return false;
+        }
+
+        Map<String, Entry> serverLog = getInstance().getLog().get(server);
+        if (Verify.isEmpty(serverLog)) {
+            return true;
+        }
+
+        return hasConnectionSucceeded(serverLog);
+    }
+
+    public static boolean hasConnectionSucceeded(Server server) {
+        if (server == null) {
+            return false;
+        }
+        Map<String, Entry> serverLog = getInstance().getLog().get(server);
+        if (Verify.isEmpty(serverLog)) {
+            return false;
+        }
+
+        return hasConnectionSucceeded(serverLog);
+    }
+
+    private static boolean hasConnectionSucceeded(Map<String, Entry> serverLog) {
+        for (Entry entry : serverLog.values()) {
+            if (entry.responseCode == 200) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     private static ConnectionLog getInstance() {
         return ConnectionSystem.getInstance().getConnectionLog();
     }

Plan/src/main/java/com/djrapitops/plan/system/info/connection/ConnectionSystem.java

@@ -15,7 +15,6 @@ import com.djrapitops.plan.utilities.NullCheck;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Optional;
 import java.util.UUID;
 
 /**
@@ -82,5 +81,5 @@ public abstract class ConnectionSystem implements SubSystem {
 
     public abstract boolean isServerAvailable();
 
-    public abstract Optional<String> getMainAddress();
+    public abstract String getMainAddress();
 }